<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="../css/reset.css">
    <style>
        header {
            height: 0.9rem;
            background-color: #f00;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 0.3rem;
        }
        header a {
            width: 5.36rem;
            height: 0.6rem;
            background-color: #fff;
            border-radius: 99rem;
        }

        nav ul {
            display: flex;
            justify-content: space-around;
            line-height: .9rem;
            font-size: .28rem;
        }
    </style>
</head>
<body>
    <header>
        <i>图1</i>
        <a href="">
            <i></i>
            <span></span>
        </a>
        <i>图2</i>
    </header>

    <nav>
        <ul>
            <li>1</li>
            <li>2</li>
            <li>3</li>
        </ul>
    </nav>
</body>
</html>